The area of a rectangle is A one of its sides is ‘x’. Then its adjacent side is
Answers
Step-by-step explanation:
Given that,
Length (l)=4x
2
−3y
Breadth (b)=5xy
Area of rectangle =l×b
=(4x
2
−3y)×5xy
=20x
3
y−15xy
2
sq.units
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● As we know that their is a large amount of species in our world thats why so many scientists gave their concepts to explain about species.
Some of scientists are :-
◆ By the mean of natural selection or preservation. Charles darwin was the scientist who gave this concept in which it considered to be the found two of evolutionary concepts.
◆ And also biological concept was given by Ernst mayr in 1940.
Some of species concepts are :-
biological species concept :-
It define as the biological species as the member of the existance populations that are potentially interbreed in the nature not by the similar appearance. Although appearance is very helpful to identity species.
Evolutionary species concept :-
As we know every species wants to sustain their life and existance. An evolutaionary species lineage of a ancestor descendant population of organism. which use to maintain its identity from other such lineage and also has its own evolutionary tandency.
Recognition species concept :-
This concept simply states that species is a set of organism that recognize one another as a potential, and also they have a shared mate recognition concept system.
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